NDLI: Performance Analysis of Micro Site with Tilted Antenna in a Realistic High Rise Building Scenario

Content Provider	IEEE Xplore Digital Library
Author	Liu XiaoMin Zhao ZhuYan Wei Min Guan Hao Yang HongWen
Copyright Year	2014
Description	Author affiliation: Nokia Solutions & Networks, Beijing, China (Zhao ZhuYan; Guan Hao) \|\| Sch. of Inf. & Commun. Eng., Beijing Univ. of Posts & Telecommun., Beijing, China (Liu XiaoMin; Wei Min; Yang HongWen)
Abstract	Outdoor Micro cell has been considered as a cost efficient way to increase in-building coverage and capacity. Micro cell configured with up-tilting antenna potentially improve the high floor coverage in high rise buildings. In this paper, the network performance of micro site is studied using a realistic TD-LTE network located in city center of Beijing with many high rise buildings. Micro User Equipment (UE)'s location and offloading ratio impacted by antenna up-tilting is evaluated through system level simulation. In the simulation, we assume micro site is configured with three directional antennas, and deployed using dedicated carrier. To model accurately the user distribution and radio propagation, the three-dimensional (3D) city map is employed. A 3D ray-tracing tool is applied to estimate the propagation of the studied area. A semi-empirical building penetration extension is proposed to derive indoor predictions for each floor based on outdoor predictions at ground-level, combining with a height gain model. Simulation results indicate that micro antenna up- tilting will diminish the coverage area of the micro sites, but give a significant improvement on the offloading capability for high floor UEs.
Starting Page	1
Ending Page	5
File Size	1467669
Page Count	5
File Format	PDF
ISBN	9781479944491
DOI	10.1109/VTCFall.2014.6966116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Buildings Three-dimensional displays Directive antennas Signal to noise ratio Interference Directional antennas
Content Type	Text
Resource Type	Article

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